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Diffstat (limited to 'src/gallium/drivers/r300/r300_emit.c')
-rw-r--r--src/gallium/drivers/r300/r300_emit.c265
1 files changed, 179 insertions, 86 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 7ba56cdc1d2..53256fc6dd3 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -24,6 +24,9 @@
#include "r300_emit.h"
+#include "r300_fs.h"
+#include "r300_vs.h"
+
void r300_emit_blend_state(struct r300_context* r300,
struct r300_blend_state* blend)
{
@@ -109,73 +112,158 @@ void r300_emit_dsa_state(struct r300_context* r300,
END_CS;
}
-void r300_emit_fragment_shader(struct r300_context* r300,
- struct r3xx_fragment_shader* fs)
+static const float * get_shader_constant(
+ struct r300_context * r300,
+ struct rc_constant * constant,
+ struct r300_constant_buffer * externals)
+{
+ static const float zero[4] = { 0.0, 0.0, 0.0, 0.0 };
+ switch(constant->Type) {
+ case RC_CONSTANT_EXTERNAL:
+ return externals->constants[constant->u.External];
+
+ case RC_CONSTANT_IMMEDIATE:
+ return constant->u.Immediate;
+
+ default:
+ debug_printf("r300: Implementation error: Unhandled constant type %i\n",
+ constant->Type);
+ return zero;
+ }
+}
+
+/* Convert a normal single-precision float into the 7.16 format
+ * used by the R300 fragment shader.
+ */
+static uint32_t pack_float24(float f)
{
+ union {
+ float fl;
+ uint32_t u;
+ } u;
+ float mantissa;
+ int exponent;
+ uint32_t float24 = 0;
+
+ if (f == 0.0)
+ return 0;
+
+ u.fl = f;
+
+ mantissa = frexpf(f, &exponent);
+
+ /* Handle -ve */
+ if (mantissa < 0) {
+ float24 |= (1 << 23);
+ mantissa = mantissa * -1.0;
+ }
+ /* Handle exponent, bias of 63 */
+ exponent += 62;
+ float24 |= (exponent << 16);
+ /* Kill 7 LSB of mantissa */
+ float24 |= (u.u & 0x7FFFFF) >> 7;
+
+ return float24;
+}
+
+void r300_emit_fragment_program_code(struct r300_context* r300,
+ struct rX00_fragment_program_code* generic_code,
+ struct r300_constant_buffer* externals)
+{
+ struct r300_fragment_program_code * code = &generic_code->code.r300;
+ struct rc_constant_list * constants = &generic_code->constants;
int i;
CS_LOCALS(r300);
- BEGIN_CS(22);
-
- OUT_CS_REG(R300_US_CONFIG, fs->indirections);
- OUT_CS_REG(R300_US_PIXSIZE, fs->shader.stack_size);
- /* XXX figure out exactly how big the sizes are on this reg */
- OUT_CS_REG(R300_US_CODE_OFFSET, 0x40);
- /* XXX figure these ones out a bit better kthnx */
- OUT_CS_REG(R300_US_CODE_ADDR_0, 0x0);
- OUT_CS_REG(R300_US_CODE_ADDR_1, 0x0);
- OUT_CS_REG(R300_US_CODE_ADDR_2, 0x0);
- OUT_CS_REG(R300_US_CODE_ADDR_3, 0x40 | R300_RGBA_OUT);
-
- for (i = 0; i < fs->alu_instruction_count; i++) {
- OUT_CS_REG(R300_US_ALU_RGB_INST_0 + (4 * i),
- fs->instructions[i].alu_rgb_inst);
- OUT_CS_REG(R300_US_ALU_RGB_ADDR_0 + (4 * i),
- fs->instructions[i].alu_rgb_addr);
- OUT_CS_REG(R300_US_ALU_ALPHA_INST_0 + (4 * i),
- fs->instructions[i].alu_alpha_inst);
- OUT_CS_REG(R300_US_ALU_ALPHA_ADDR_0 + (4 * i),
- fs->instructions[i].alu_alpha_addr);
+ BEGIN_CS(15 +
+ code->alu.length * 4 +
+ (code->tex.length ? (1 + code->tex.length) : 0) +
+ (constants->Count ? (1 + constants->Count * 4) : 0));
+
+ OUT_CS_REG(R300_US_CONFIG, code->config);
+ OUT_CS_REG(R300_US_PIXSIZE, code->pixsize);
+ OUT_CS_REG(R300_US_CODE_OFFSET, code->code_offset);
+
+ OUT_CS_REG_SEQ(R300_US_CODE_ADDR_0, 4);
+ for(i = 0; i < 4; ++i)
+ OUT_CS(code->code_addr[i]);
+
+ OUT_CS_REG_SEQ(R300_US_ALU_RGB_INST_0, code->alu.length);
+ for (i = 0; i < code->alu.length; i++)
+ OUT_CS(code->alu.inst[i].rgb_inst);
+
+ OUT_CS_REG_SEQ(R300_US_ALU_RGB_ADDR_0, code->alu.length);
+ for (i = 0; i < code->alu.length; i++)
+ OUT_CS(code->alu.inst[i].rgb_addr);
+
+ OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_INST_0, code->alu.length);
+ for (i = 0; i < code->alu.length; i++)
+ OUT_CS(code->alu.inst[i].alpha_inst);
+
+ OUT_CS_REG_SEQ(R300_US_ALU_ALPHA_ADDR_0, code->alu.length);
+ for (i = 0; i < code->alu.length; i++)
+ OUT_CS(code->alu.inst[i].alpha_addr);
+
+ if (code->tex.length) {
+ OUT_CS_REG_SEQ(R300_US_TEX_INST_0, code->tex.length);
+ for(i = 0; i < code->tex.length; ++i)
+ OUT_CS(code->tex.inst[i]);
+ }
+
+ if (constants->Count) {
+ OUT_CS_ONE_REG(R300_PFS_PARAM_0_X, constants->Count * 4);
+ for(i = 0; i < constants->Count; ++i) {
+ const float * data = get_shader_constant(r300, &constants->Constants[i], externals);
+ OUT_CS(pack_float24(data[0]));
+ OUT_CS(pack_float24(data[1]));
+ OUT_CS(pack_float24(data[2]));
+ OUT_CS(pack_float24(data[3]));
+ }
}
END_CS;
}
-void r500_emit_fragment_shader(struct r300_context* r300,
- struct r5xx_fragment_shader* fs)
+void r500_emit_fragment_program_code(struct r300_context* r300,
+ struct rX00_fragment_program_code* generic_code,
+ struct r300_constant_buffer* externals)
{
+ struct r500_fragment_program_code * code = &generic_code->code.r500;
+ struct rc_constant_list * constants = &generic_code->constants;
int i;
- struct r300_constant_buffer* constants =
- &r300->shader_constants[PIPE_SHADER_FRAGMENT];
CS_LOCALS(r300);
- BEGIN_CS(9 + (fs->instruction_count * 6) + (constants->count ? 3 : 0) +
- (constants->count * 4));
- OUT_CS_REG(R500_US_CONFIG, R500_ZERO_TIMES_ANYTHING_EQUALS_ZERO);
- OUT_CS_REG(R500_US_PIXSIZE, fs->shader.stack_size);
- OUT_CS_REG(R500_US_CODE_ADDR, R500_US_CODE_START_ADDR(0) |
- R500_US_CODE_END_ADDR(fs->instruction_count));
+ BEGIN_CS(13 +
+ ((code->inst_end + 1) * 6) +
+ (constants->Count ? (3 + (constants->Count * 4)) : 0));
+ OUT_CS_REG(R500_US_CONFIG, 0);
+ OUT_CS_REG(R500_US_PIXSIZE, code->max_temp_idx);
+ OUT_CS_REG(R500_US_CODE_RANGE,
+ R500_US_CODE_RANGE_ADDR(0) | R500_US_CODE_RANGE_SIZE(code->inst_end));
+ OUT_CS_REG(R500_US_CODE_OFFSET, 0);
+ OUT_CS_REG(R500_US_CODE_ADDR,
+ R500_US_CODE_START_ADDR(0) | R500_US_CODE_END_ADDR(code->inst_end));
OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_INSTR);
- OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, fs->instruction_count * 6);
- for (i = 0; i < fs->instruction_count; i++) {
- OUT_CS(fs->instructions[i].inst0);
- OUT_CS(fs->instructions[i].inst1);
- OUT_CS(fs->instructions[i].inst2);
- OUT_CS(fs->instructions[i].inst3);
- OUT_CS(fs->instructions[i].inst4);
- OUT_CS(fs->instructions[i].inst5);
- }
-
- if (constants->count) {
- OUT_CS_REG(R500_GA_US_VECTOR_INDEX,
- R500_GA_US_VECTOR_INDEX_TYPE_CONST);
- OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, constants->count * 4);
- for (i = 0; i < constants->count; i++) {
- OUT_CS_32F(constants->constants[i][0]);
- OUT_CS_32F(constants->constants[i][1]);
- OUT_CS_32F(constants->constants[i][2]);
- OUT_CS_32F(constants->constants[i][3]);
+ OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, (code->inst_end + 1) * 6);
+ for (i = 0; i <= code->inst_end; i++) {
+ OUT_CS(code->inst[i].inst0);
+ OUT_CS(code->inst[i].inst1);
+ OUT_CS(code->inst[i].inst2);
+ OUT_CS(code->inst[i].inst3);
+ OUT_CS(code->inst[i].inst4);
+ OUT_CS(code->inst[i].inst5);
+ }
+
+ if (constants->Count) {
+ OUT_CS_REG(R500_GA_US_VECTOR_INDEX, R500_GA_US_VECTOR_INDEX_TYPE_CONST);
+ OUT_CS_ONE_REG(R500_GA_US_VECTOR_DATA, constants->Count * 4);
+ for (i = 0; i < constants->Count; i++) {
+ const float * data = get_shader_constant(r300, &constants->Constants[i], externals);
+ OUT_CS_32F(data[0]);
+ OUT_CS_32F(data[1]);
+ OUT_CS_32F(data[2]);
+ OUT_CS_32F(data[3]);
}
}
@@ -190,7 +278,7 @@ void r300_emit_fb_state(struct r300_context* r300,
int i;
CS_LOCALS(r300);
- BEGIN_CS((8 * fb->nr_cbufs) + (fb->zsbuf ? 8 : 0) + 4);
+ BEGIN_CS((10 * fb->nr_cbufs) + (fb->zsbuf ? 10 : 0) + 4);
for (i = 0; i < fb->nr_cbufs; i++) {
tex = (struct r300_texture*)fb->cbufs[i]->texture;
assert(tex && tex->buffer && "cbuf is marked, but NULL!");
@@ -199,8 +287,10 @@ void r300_emit_fb_state(struct r300_context* r300,
OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0 + (4 * i), 1);
OUT_CS_RELOC(tex->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
- OUT_CS_REG(R300_RB3D_COLORPITCH0 + (4 * i), pixpitch |
- r300_translate_colorformat(tex->tex.format));
+ OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0 + (4 * i), 1);
+ OUT_CS_RELOC(tex->buffer, pixpitch |
+ r300_translate_colorformat(tex->tex.format), 0,
+ RADEON_GEM_DOMAIN_VRAM, 0);
OUT_CS_REG(R300_US_OUT_FMT_0 + (4 * i),
r300_translate_out_fmt(fb->cbufs[i]->format));
@@ -216,7 +306,8 @@ void r300_emit_fb_state(struct r300_context* r300,
OUT_CS_REG(R300_ZB_FORMAT, r300_translate_zsformat(tex->tex.format));
- OUT_CS_REG(R300_ZB_DEPTHPITCH, pixpitch);
+ OUT_CS_REG_SEQ(R300_ZB_DEPTHPITCH, 1);
+ OUT_CS_RELOC(tex->buffer, pixpitch, 0, RADEON_GEM_DOMAIN_VRAM, 0);
}
OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
@@ -380,13 +471,13 @@ void r300_emit_vertex_format_state(struct r300_context* r300)
END_CS;
}
-void r300_emit_vertex_shader(struct r300_context* r300,
- struct r300_vertex_shader* vs)
+void r300_emit_vertex_program_code(struct r300_context* r300,
+ struct r300_vertex_program_code* code,
+ struct r300_constant_buffer* constants)
{
int i;
struct r300_screen* r300screen = r300_screen(r300->context.screen);
- struct r300_constant_buffer* constants =
- &r300->shader_constants[PIPE_SHADER_VERTEX];
+ unsigned instruction_count = code->length / 4;
CS_LOCALS(r300);
if (!r300screen->caps->has_tcl) {
@@ -395,10 +486,10 @@ void r300_emit_vertex_shader(struct r300_context* r300,
return;
}
- if (constants->count) {
- BEGIN_CS(14 + (vs->instruction_count * 4) + (constants->count * 4));
+ if (code->constants.Count) {
+ BEGIN_CS(14 + code->length + (code->constants.Count * 4));
} else {
- BEGIN_CS(11 + (vs->instruction_count * 4));
+ BEGIN_CS(11 + code->length);
}
/* R300_VAP_PVS_CODE_CNTL_0
@@ -408,30 +499,27 @@ void r300_emit_vertex_shader(struct r300_context* r300,
* XXX these could be optimized to select better values... */
OUT_CS_REG_SEQ(R300_VAP_PVS_CODE_CNTL_0, 3);
OUT_CS(R300_PVS_FIRST_INST(0) |
- R300_PVS_XYZW_VALID_INST(vs->instruction_count - 1) |
- R300_PVS_LAST_INST(vs->instruction_count - 1));
- OUT_CS(R300_PVS_MAX_CONST_ADDR(constants->count - 1));
- OUT_CS(vs->instruction_count - 1);
+ R300_PVS_XYZW_VALID_INST(instruction_count - 1) |
+ R300_PVS_LAST_INST(instruction_count - 1));
+ OUT_CS(R300_PVS_MAX_CONST_ADDR(code->constants.Count - 1));
+ OUT_CS(instruction_count - 1);
OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG, 0);
- OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, vs->instruction_count * 4);
- for (i = 0; i < vs->instruction_count; i++) {
- OUT_CS(vs->instructions[i].inst0);
- OUT_CS(vs->instructions[i].inst1);
- OUT_CS(vs->instructions[i].inst2);
- OUT_CS(vs->instructions[i].inst3);
- }
+ OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->length);
+ for (i = 0; i < code->length; i++)
+ OUT_CS(code->body.d[i]);
- if (constants->count) {
+ if (code->constants.Count) {
OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
(r300screen->caps->is_r500 ?
R500_PVS_CONST_START : R300_PVS_CONST_START));
- OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->count * 4);
- for (i = 0; i < constants->count; i++) {
- OUT_CS_32F(constants->constants[i][0]);
- OUT_CS_32F(constants->constants[i][1]);
- OUT_CS_32F(constants->constants[i][2]);
- OUT_CS_32F(constants->constants[i][3]);
+ OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, code->constants.Count * 4);
+ for (i = 0; i < code->constants.Count; i++) {
+ const float * data = get_shader_constant(r300, &code->constants.Constants[i], constants);
+ OUT_CS_32F(data[0]);
+ OUT_CS_32F(data[1]);
+ OUT_CS_32F(data[2]);
+ OUT_CS_32F(data[3]);
}
}
@@ -443,6 +531,12 @@ void r300_emit_vertex_shader(struct r300_context* r300,
END_CS;
}
+void r300_emit_vertex_shader(struct r300_context* r300,
+ struct r300_vertex_shader* vs)
+{
+ r300_emit_vertex_program_code(r300, &vs->code, &r300->shader_constants[PIPE_SHADER_VERTEX]);
+}
+
void r300_emit_viewport_state(struct r300_context* r300,
struct r300_viewport_state* viewport)
{
@@ -531,10 +625,11 @@ validate:
} else {
debug_printf("No VBO while emitting dirty state!\n");
}
- if (r300->winsys->validate(r300->winsys)) {
+ if (!r300->winsys->validate(r300->winsys)) {
r300->context.flush(&r300->context, 0, NULL);
if (invalid) {
/* Well, hell. */
+ debug_printf("r300: Stuck in validation loop, gonna quit now.");
exit(1);
}
invalid = TRUE;
@@ -563,11 +658,9 @@ validate:
if (r300->dirty_state & R300_NEW_FRAGMENT_SHADER) {
if (r300screen->caps->is_r500) {
- r500_emit_fragment_shader(r300,
- (struct r5xx_fragment_shader*)r300->fs);
+ r500_emit_fragment_program_code(r300, &r300->fs->code, &r300->shader_constants[PIPE_SHADER_FRAGMENT]);
} else {
- r300_emit_fragment_shader(r300,
- (struct r3xx_fragment_shader*)r300->fs);
+ r300_emit_fragment_program_code(r300, &r300->fs->code, &r300->shader_constants[PIPE_SHADER_FRAGMENT]);
}
r300->dirty_state &= ~R300_NEW_FRAGMENT_SHADER;
}